#include <stdio.h>
int main()
{
    int a;
    int b;
    int c;
    int t;
    printf("please enter the number of a\n");
    scanf("%d",&a);
    printf("please enter the number of b\n");
    scanf("%d",&b);
    printf("please enter the number of a\n");
    scanf("%d",&c);
    if(a<b)
    {
        t=a,a=b,b=t;

    }
    if(a<c)
    {
        t=a,a=c,c=t;
    }
    if(b<c)
    {
        t=b,b=c,c=t;
    }
    printf("a,b,c size order is:%d %d %d",a,b,c);
    
}